Sharp CK32S4 Service Manual page 11

Sub-Brightness Adjustment
1. Have unit receive a good local channel.
2. Make sure the customer brightness control is set to
center position.
3. Enter the service mode and select the service
adjustment "S04".
4. Adjust "S04" data value to obtain normal brightness
level.
Vertical-Size and Linearity Adjustments
1. Have unit receive a good local channel.
2. Enter the service mode and select the service
adjustment "S09".
3. While observing the top and bottom of the screen,
adjust "S09" data value to proper vertical size.
Vertical Phase Adjustment
1. Enter the service mode and select the service
adjustment "S06".
2. Adjust data value to "00".
Note: This must be set "00" when changed data
retrace line will appear.
Horizontal Position Adjustment
1. Have unit receive a good local channel.
2. Enter the service mode and select the service
adjustment "S07".
3. Adjust "S07" data value so that picture is centered.
Caption Position Adjustment (Horizontal)
1. Have unit receive a good local channel.
2. Enter the service mode and select the service
adjustment "S18".
3. A black text box appears on the screen. (see Figure
B below)
4. Adjust "S18" data value so that text box is positioned
in the center of the screen.
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Figure B.
3.58MHz Trap Adjustment
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "S16".
3. This is a two position adjustment, "00" is ON, "01" is
OFF.
4. Adjust data value to "01" for normal viewing.
Sharpness and Audio Balance Adjust-
ments
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustments "S05" for sharpness and "S17" for
balance.
» Sharpness adjustment
3. Adjust data value to "24"(center of data range) for
sharpness adjustment.
» Audio balance adjustment
4. Adjust data value to "20"(center of data range) for
Audio balance adjustment.
Vertical Center Adjustment
1. Have unit receive a good CATV channel.
2. Adjust the S502 so that the picture is centered.
Side Pincushion Adjustment
1. Have unit receive a good CATV channel or crosshatch
pattern signal.
2. Adjust the R676 so that the outermost line on the
screen be straight.
Horizontal Size Adjustment
1. Have unit receive a good CATV channel or crosshatch
pattern signal.
2. Adjust the R678 so that the best horizontal size.
11
32K-S400, CK32S4
36K-S400, CK36S4